Sleeve Assembly6620-00-421-0458

NSN 6620-00-421-0458 · NIIN 004210458

FSC 6620 — Engine Instruments · FSG 66 — Instruments and Laboratory Equipment

Government record, cited

Also searched as 6620-00-421-0458 · 6620004210458 · NIIN 004210458 · 00-421-0458 · FSC 6620 Engine Instruments

Nearby stock numbers ← 6620-00-421-0453 Retainer, Module, Pow · 6620-00-421-0459 →

Features

Sleeve Assembly — FSC 6620
General Characteristics Item Description: METAL SLEEVE PLATE AND HUB ALL STAKED TOGETHER; PLATE,APPROX 2.000 IN. O/A DIA; 0.062 IN. THK W/0.500 IN. DIA HOLE THRU C; HUB,APPROX 0.500 IN. LG,1.000 IN. OD; SLEEVE,APPROX 2.000 IN. LG,0.500 IN. OD,0.400 ID IN

Identification

NSN: 6620-00-421-0458
NIIN: 004210458
FSC: 6620 — Engine Instruments
FSG: 66 — Instruments and Laboratory Equipment

General Description

The Sleeve Assembly, cataloged under National Stock Number 6620-00-421-0458, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	6620-00-421-0458
Item Name	Sleeve Assembly
FSC / FSG	6620 / 66 — Engine Instruments
Status	ACTIVE
General Characteristics Item Description	METAL SLEEVE PLATE AND HUB ALL STAKED TOGETHER; PLATE,APPROX 2.000 IN. O/A DIA; 0.062 IN. THK W/0.500 IN. DIA HOLE THRU C; HUB,APPROX 0.500 IN. LG,1.000 IN. OD; SLEEVE,APPROX 2.000 IN. LG,0.500 IN. OD,0.400 ID IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
7684K70G700	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 6620 — Engine Instruments

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

6620-00-000-0124

6620-00-000-0124 · Item name not on file

6620-00-000-0548

6620-00-000-0548 · Item name not on file

6620-00-001-1398

STARTER AND SHAFT ASSEMBLY

6620-00-001-4552

6620-00-001-4552 · Item name not on file

6620-00-001-9331

6620-00-001-9331 · Item name not on file

6620-00-001-9332

6620-00-001-9332 · Item name not on file

6620-00-001-9333

6620-00-001-9333 · Item name not on file

6620-00-001-9334

6620-00-001-9334 · Item name not on file

Frequently Asked Questions

What is NSN 6620-00-421-0458?

NSN 6620-00-421-0458 is a Sleeve Assembly, classified under FSC 6620, Engine Instruments. Status: active.

What are the specifications of 6620-00-421-0458?

Key specifications for 6620-00-421-0458: General Characteristics Item Description: METAL SLEEVE PLATE AND HUB ALL STAKED TOGETHER; PLATE,APPROX 2.000 IN. O/A DIA; 0.062 IN. THK W/0.500 IN. DIA HOLE THRU C; HUB,APPROX 0.500 IN. LG,1.000 IN. OD; SLEEVE,APPROX 2.000 IN. LG,0.500 IN. OD,0.400 ID IN; End Item Identification: 6620-00-115-7620. 1 specification is documented in the U.S. Government catalog.

Is NSN 6620-00-421-0458 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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